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$724+ Cheap flights from Cardiff (CWL) to Massachusetts

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BOS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Cardiff to Massachusetts

Cheapest flights from Cardiff to Massachusetts
Explore the most affordable flight options available from Cardiff to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:20 amCWL - BOS
1 stop13h 35mDelta
Sun 1/48:50 pmBOS - CWL
1 stop14h 55mDelta
Deal found 12/17$1,951
This Ovago deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:35 amCWL - BOS
2 stops16h 10mMultiple Airlines
Sun 1/47:30 amBOS - CWL
2 stops23h 00mMultiple Airlines
Deal found 12/16$1,962
This ChecknFly deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:20 amCWL - BOS
1 stop13h 35mKLM
Fri 1/28:50 pmBOS - CWL
1 stop31h 55mKLM
Deal found 12/16$2,227
This KLM deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:20 amCWL - BOS
2 stops17h 09mKLM
Sun 1/41:04 pmBOS - CWL
2 stops15h 46mKLM
Deal found 12/17$2,254
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:35 amCWL - BOS
2 stops18h 20mBritish Airways
Fri 1/27:30 amBOS - CWL
2 stops23h 00mBritish Airways
Deal found 12/17$2,305

Find flight deals from Cardiff to Massachusetts

Keep the following information in mind while searching for Cardiff to Massachusetts flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$724
(Flysmarter)

Popular in

August

Cheapest in

June

Average price

$985
Provider with most accurate pricing for Cardiff Wales-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cardiff Wales-Boston Logan Intl flights.
Search Deals
From Cardiff Wales to Massachusetts
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cardiff to Massachusetts that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Cardiff to Massachusetts that are best for you.

Fly from

Cardiff

Fly to

Massachusetts

Route

Depart

Return

Price

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 1/26

10:20 am-1:30 pm

1 stop32h 10m

Boston Logan Intl

Mon 2/2

7:10 pm-4:55 pm

1 stop16h 45m

$724

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 1/26

10:20 am-10:22 pm

2 stops17h 02m

Boston Logan Intl

Mon 2/2

7:10 pm-9:50 am

1 stop9h 40m

$730

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 1/26

10:20 am-10:22 pm

2 stops17h 02m

Boston Logan Intl

Mon 2/2

7:10 pm-9:50 am

1 stop9h 40m

$731

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 1/31

12:00 pm-9:55 pm

2 stops14h 55m

Boston Logan Intl

Sat 2/7

6:55 pm-11:30 am

2 stops11h 35m

$754

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 1/31

8:05 pm-2:35 pm

2 stops23h 30m

Boston Logan Intl

Sat 2/7

9:15 pm-8:55 pm

1 stop18h 40m

$758

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Sat 1/31

5:25 pm-6:55 pm

1 stop30h 30m

Boston Logan Intl

Sat 2/7

7:10 pm-4:50 pm

1 stop16h 40m

$806

CardiffBoston

CWL - BOS

CWLBOS

Cardiff Wales

Mon 1/26

10:20 am-2:45 pm

3 stops33h 25m

Boston Logan Intl

Mon 2/2

7:50 pm-9:50 am

3 stops33h 00m

$1,064

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Cardiff to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Cardiff with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Massachusetts

What is the cheapest month to book a flight from Cardiff to Massachusetts?

Currently, March is the cheapest month in which you can book a flight from Cardiff to Massachusetts (average of $514). Flying from Cardiff to Massachusetts in April is currently the most expensive (average of $626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Massachusetts. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Massachusetts?

    Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Massachusetts from Cardiff.

  • How long is the flight from Cardiff to Massachusetts?

    KLM, Delta, and Virgin Atlantic can get you from Cardiff to Massachusetts in just under 17h 02m. Your travel time can differ by up to 15h 08m. Airlines will cover a distance of 3137 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Cardiff to Massachusetts that include hotel bookings?

    Yes. In addition to deals on Cardiff to Massachusetts flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Massachusetts?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Massachusetts.

  • Can I find deals for business class flights from Cardiff to Massachusetts?

    Yes. Cheapflights offers flight deals from Cardiff to Massachusetts by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cardiff to Massachusetts?

    Currently, March is the cheapest month in which you can book a flight from Cardiff to Massachusetts (average of $514). Flying from Cardiff to Massachusetts in April is currently the most expensive (average of $626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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